polyester has definitions from the fields of clothing,chemistry
1
[ noun ] (chemistry) a complex ester used for making fibers or resins or plastics or as a plasticizer

Related terms

plastic ester

2
[ noun ] (chemistry) any of numerous synthetic resins; they are light and strong and weather resistant
3
[ noun ] (clothing) any of a large class of synthetic fabrics

Related terms

fabric Dacron

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